The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 13, 2022

Filed:

Sep. 06, 2017
Applicant:

Sikorsky Aircraft Corporation, Stratford, CT (US);

Inventors:

Christopher A. Thornberg, Newtown, CT (US);

Derek H. Geiger, Wilton, CT (US);

Joseph T. Driscoll, Prospect, CT (US);

Ole Wulff, Ansonia, CT (US);

Assignee:

Sikorsky Aircraft Corporation, Stratford, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D 1/00 (2006.01); B64C 27/56 (2006.01); B64C 27/64 (2006.01); B64C 27/57 (2006.01); G05D 1/08 (2006.01); B64C 13/50 (2006.01);
U.S. Cl.
CPC ...
G05D 1/0055 (2013.01); B64C 13/503 (2013.01); B64C 27/56 (2013.01); B64C 27/57 (2013.01); B64C 27/64 (2013.01); G05D 1/0858 (2013.01);
Abstract

A rotary-wing aircraft and system for flying a rotary-wing aircraft. The aircraft includes a servo system for actuating a rotor of the aircraft. A hydraulic system provides hydraulic power to the servo system, and a sensor measures a parameter of the hydraulic system. A processor determines a condition of the hydraulic system from the parameter and enforces an effective flight envelop based on the condition of the hydraulic system in order to fly the aircraft within the effective flight envelope.


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